阅读说明：本技术 一种汽车排气管及其尾气处理装置 (Automobile exhaust pipe and tail gas treatment device thereof ) 是由 张国春 陈�胜 汪家贵 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种汽车排气管及其尾气处理装置,涉及汽车配件技术领域,包括本体、设于本体一侧的进气管以及设于本体另一侧的出气管,排气管与进气管采用柔性金属软管连接,进气管与排气管之间连接有辅助支承机构,在本体上设有缓冲装置,缓冲装置包括套环,套环内壁中开设有环槽,环槽中设有多个与本体外部抵触连接的滑轮组,在本体两边侧部设有凸环,在凸环与套环侧部之间均连接有第二弹簧,第二弹簧套设在本体上。本发明的尾气处理装置能够较好地稳固在排气管上,不仅能够减小对汽车排气管的损坏,对装置本体具有良好的减振防护效果。(The invention discloses an automobile exhaust pipe and an exhaust gas treatment device thereof, and relates to the technical field of automobile accessories, the automobile exhaust pipe comprises a body, an air inlet pipe arranged on one side of the body and an air outlet pipe arranged on the other side of the body, the exhaust pipe and the air inlet pipe are connected by adopting a flexible metal hose, an auxiliary supporting mechanism is connected between the air inlet pipe and the exhaust pipe, a buffer device is arranged on the body and comprises a lantern ring, an annular groove is formed in the inner wall of the lantern ring, a plurality of pulley blocks which are in abutting connection with the outside of the body are arranged in the annular groove, convex rings are arranged on the side parts of two sides of the body, second springs are connected between. The tail gas treatment device can be well and stably arranged on the exhaust pipe, can reduce the damage to the automobile exhaust pipe, and has good vibration reduction and protection effects on the device body.)

1. An automobile exhaust pipe and a tail gas treatment device thereof comprise a body (2), an air inlet pipe (3) arranged on one side of the body (2) and an air outlet pipe (4) arranged on the other side of the body (2), and are characterized in that the exhaust pipe (1) and the air inlet pipe (3) are connected by a flexible metal hose (6), an auxiliary supporting mechanism (7) is connected between the air inlet pipe (3) and the exhaust pipe (1), the auxiliary supporting mechanism (7) comprises a slewing bearing (701) sleeved on the air inlet pipe (3) and the exhaust pipe (1), the slewing bearing (701) comprises an inner ring and an outer ring, the inner ring is fixedly connected on the outer pipe walls of the air inlet pipe (3) and the exhaust pipe (1), two sides of the outer ring of the slewing bearing (701) on the exhaust pipe (1) are respectively connected with a first linkage rod (702), two sides of the outer ring of the slewing bearing (, the first linkage rod (702) is hinged with the opposite end of the second linkage rod (703);

the automobile body is characterized in that the body (2) is provided with a buffer device (5), the buffer device (5) comprises a connecting plate (501) fixedly connected with the bottom of an automobile, the bottom of the connecting plate (501) is provided with a connecting rod (502), the bottom end of the connecting rod (502) is connected with a lantern ring (503), an annular groove (504) is formed in the inner wall of the lantern ring (503), a plurality of pulley blocks which are in butt connection with the outside of the body (2) are arranged in the annular groove (504), each pulley block comprises two cylindrical supporting rods (505) erected on the side wall of the annular groove (504), the supporting rods (505) are respectively hinged with a supporting rod (506), a first spring (507) is connected between the supporting rods (506) on the two supporting rods (505), the outer ends of the supporting rods (506) are respectively connected with pulleys (508), convex rings (509) are arranged on the side parts of the two, the second spring (510) is sleeved on the body (2).

2. The exhaust pipe and the exhaust gas treatment device of the automobile according to claim 1, wherein the center axis of the pulley (508) is concentric with the center of the collar (503), and the outer rim of the pulley (508) abuts against the body (2).

3. The exhaust pipe and the exhaust gas treatment device according to claim 1, wherein the pulley blocks are arranged in an annular array along a center of the ring groove (504).

4. The exhaust pipe and the exhaust gas treatment device according to claim 3, wherein the number of the pulley sets in the annular array along the annular groove (504) is 3, the filling angle is 360 degrees, and the angle between the pulley sets is 120 degrees.

5. The exhaust pipe and the exhaust gas treatment device according to claim 3, wherein the number of the pulley sets in the annular array along the annular groove (504) is 4, the filling angle is 360 degrees, and the angle between the pulley sets is 90 degrees.

6. The exhaust pipe and the exhaust gas treatment device according to claim 1, wherein one end of the support rod (506) is connected with a sleeve (511), the sleeve (511) is sleeved on the middle position of the support rod (505), the other end of the support rod (506) is connected with a rotating shaft, and the rotating shaft is connected with a central shaft of the pulley (508).

7. The exhaust pipe and the exhaust gas treatment device according to claim 6, wherein two third springs (512) are sleeved on the support rods (505), the springs are respectively located on two sides of the sleeve (511), one end of each spring abuts against the side wall of the annular groove (504), and the other end of each spring abuts against the side wall of the sleeve (511).

8. The exhaust pipe and the exhaust gas treatment device according to claim 1, wherein the outer ring is connected to the inner ring through rolling elements.

9. The exhaust pipe and the exhaust gas treatment device thereof according to claim 1, wherein a cylindrical clamping sleeve (704) is arranged at the end of the first linkage rod (702), a spherical joint (705) is fixedly connected to the end of the second linkage rod (703), and the spherical joint (705) is clamped in the clamping sleeve (704) in a matching manner.

10. The exhaust pipe and the exhaust gas treatment device thereof according to claim 1, wherein the first linkage rod (702) is hinged on a slewing bearing (701) on the exhaust pipe (1), and the second linkage rod (703) is hinged on the slewing bearing (701) on the intake pipe (3).

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an automobile exhaust pipe and a tail gas treatment device thereof.

Background

After the gasoline of the automobile is combusted, a large amount of harmful gases, mainly comprising carbon monoxide, hydrocarbons and nitrogen oxides, are generated, and a three-way catalyst is generally arranged in the middle of an exhaust pipe to treat the mixed harmful gases so as to generate carbon dioxide and water, and then the carbon dioxide and the water are discharged into the atmosphere. However, the original exhaust gas still contains more particle impurities, heat and undeleted harmful gas after flowing through the three-way catalyst, so that in order to reduce the harm of the automobile exhaust gas to the environment, a treatment device for further purifying the automobile exhaust gas is produced, and the automobile parts are developed more and more rapidly and are applied more and more widely. However, the existing exhaust gas treatment device has a large volume and a large weight, and has a high load on an automobile exhaust pipe, as shown in fig. 1, fig. 1 is a schematic connection diagram of the exhaust gas treatment device and the automobile exhaust pipe in the prior art, when an automobile runs at a high speed or/and in a bumpy state, the swing and vibration generated by the automobile body can damage the position a and the body of the exhaust gas treatment device, and further affect the service lives of the automobile exhaust pipe and the exhaust gas treatment device, and therefore, the exhaust gas treatment device needs to be improved in consideration of the cost of accessories.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an automobile exhaust pipe and an exhaust gas treatment device thereof.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an automobile exhaust pipe and an exhaust gas treatment device thereof comprise a body, an air inlet pipe arranged on one side of the body and an air outlet pipe arranged on the other side of the body, wherein the exhaust pipe is connected with the air inlet pipe through a flexible metal hose, an auxiliary supporting mechanism is connected between the air inlet pipe and the exhaust pipe and comprises a slewing bearing sleeved on the air inlet pipe and the exhaust pipe, the slewing bearing comprises an inner ring and an outer ring, the inner ring is fixedly connected to the outer pipe walls of the air inlet pipe and the exhaust pipe, two sides of the outer ring of the slewing bearing on the exhaust pipe are respectively connected with a first linkage rod, two sides of the outer ring of the slewing bearing on the air inlet pipe are respectively;

be equipped with buffer on the body, buffer includes the connecting plate with car bottom rigid coupling, the connecting plate bottom is equipped with the connecting rod, the connecting rod bottom is connected with the lantern ring, set up the annular in the lantern ring inner wall, be equipped with a plurality of assembly pulleys of being connected with the outside conflict of body in the annular, the assembly pulley is including setting up two cylindrical support rods on the annular lateral wall, it has a branch to equally divide on the bracing piece respectively to articulate, be connected with first spring between the branch on two bracing pieces, the branch outer end all is connected with the pulley, be equipped with the bulge loop at body both sides lateral part, all be connected with the second spring between bulge loop and lantern ring lateral part, the second spring.

Compared with the prior art, the invention has the following beneficial effects: the flexible metal hose connection and the auxiliary supporting mechanism between the exhaust pipe and the tail gas treatment device are arranged, the automobile exhaust pipe and the device air inlet pipe are conveniently hinged through the slewing bearing and the spherical joint, the vibration deviation damage (namely the position A in the figure 1) of the traditional rigid connection is avoided, and the novel connection mode has the advantages of flexibility and reliability; due to the existence of the buffer device on the tail gas treatment device, the arrangement of the upper lantern ring can have a good protection effect on the device body, and the vibration generated in the running process of the vehicle body can be weakened better through the cooperation of the pulley blocks arranged on the inner wall of the lantern ring and the second spring structures connected with the body convex ring on the two sides of the lantern ring, so that the damage to the tail gas treatment device body is reduced, the load on the exhaust end of the exhaust pipe is reduced, and the service life of the tail gas treatment device is prolonged;

in conclusion, the tail gas treatment device can be well and stably fixed on the exhaust pipe, not only can reduce the damage to the automobile exhaust pipe and has good vibration reduction and protection effects on the device body, but also can achieve the effects of convenience in installation, disassembly and maintenance.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a prior art exhaust treatment device connected to an exhaust pipe of a vehicle;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the auxiliary support mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the buffering device of the present invention;

FIG. 5 is a schematic view of the structure of the buffering device of the present invention;

FIG. 6 is a schematic view of a partial structure according to the present invention;

labeled as: 1. an exhaust pipe; 2. a body; 3. an air inlet pipe; 4. an air outlet pipe; 5. a buffer device; 501. a connecting plate; 502. a connecting rod; 503. a collar; 504. a ring groove; 505. a support bar; 506. a strut; 507. a first spring; 508. a pulley; 509. a convex ring; 510. a second spring; 511. a sleeve; 512. a third spring; 6. a flexible metal hose; 7. an auxiliary support mechanism; 701. a slewing bearing; 702. a first linkage rod; 703. a second linkage rod; 704. a card sleeve; 705. a ball joint; 8. a vehicle body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

An automobile exhaust pipe and an exhaust gas treatment device thereof are shown in figures 2-3, and the general structure is as follows:

the exhaust pipe 1 comprises a circular pipe body, the tail gas treatment device comprises a body 2, an air inlet pipe 3 positioned at the left end of the body 2 and an air outlet pipe 4 positioned at the right end of the body 2, and in addition, a buffer device 5 is also arranged on the body 2;

the exhaust pipe 1 is connected with the tail gas treatment device in a hinged mode, and the specific hinged mode is as follows:

the exhaust end of the exhaust pipe 1 is connected with an air inlet pipe 3 of the tail gas treatment device by adopting a flexible metal hose 6, and an auxiliary supporting mechanism 7 is connected between the air inlet pipe 3 and the exhaust pipe 1; specifically, the auxiliary supporting mechanism 7 comprises a slewing bearing 701 sleeved on the air inlet pipe 3 and the exhaust pipe 1, the slewing bearing 701 comprises an inner ring and an outer ring, the inner ring of the slewing bearing 701 is fixedly connected to the outer pipe walls of the air inlet pipe 3 and the exhaust pipe 1, two sides of the outer ring of the slewing bearing 701 on the exhaust pipe 1 are respectively connected with a first linkage rod 702, two sides of the outer ring of the slewing bearing 701 on the air inlet pipe 3 are respectively connected with a second linkage rod 703, and the first linkage rod 702 is hinged to the opposite end of the second linkage rod 703;

as shown in fig. 4-6, the buffering device 5 includes a connecting plate 501 fixedly connected to the chassis of the vehicle body 8 by bolts, a connecting rod 502 is disposed at the bottom of the connecting plate 501, a collar 503 is welded to the bottom end of the connecting rod 502, the collar 503 is sleeved on the middle position of the body 2, a ring groove 504 is disposed at the middle position of the inner wall of the collar 503, a plurality of pulley blocks connected to the outside of the body 2 in an abutting manner are disposed in the ring groove 504, each pulley block includes two cylindrical supporting rods 505 having a certain distance and erected on the side walls of the ring groove 504, a supporting rod 506 is respectively hinged to each supporting rod 505, a first spring 507 is connected between the supporting rods 506 on the two supporting rods 505, pulleys 508 are connected to the outer ends of the supporting rods 506, the central axes of the;

the side parts of two sides of the body 2 are provided with convex rings 509, a second spring 510 is connected between the convex rings 509 and the side parts of the lantern ring 503, and the second spring 510 is sleeved on the body 2.

As shown in fig. 4, when the body 2 is substantially cylindrical, the number of the pulley blocks along the annular array of the grooves 504 is 3, the filling angle is 360 degrees, and the angle between the pulley blocks is 120 degrees;

as shown in fig. 5, when the body 2 is substantially rectangular, the number of the pulley sets along the annular array of the ring grooves 504 is 4, the filling angle is 360 degrees, and the angle between the pulley sets is 90 degrees;

based on the above, one end of the supporting rod 506 is connected with a sleeve 511, the sleeve 511 is sleeved on the middle position of the supporting rod 505, and the other end of the supporting rod 506 is connected with a rotating shaft (not shown), and the rotating shaft is connected with the central shaft of the pulley 508.

Based on the above, two third springs 512 are respectively sleeved on the support rods 505, the springs are respectively located on two sides of the sleeve 511, one end of each spring abuts against the side wall of the ring groove 504, and the other end of each spring abuts against the side wall of the sleeve 511.

Based on the foregoing, the outer race is connected to the inner race via rolling elements (not shown).

Based on the foregoing, the hinge connection manner of the opposite ends of the first linkage rod 702 and the second linkage rod 703 is as follows: the end of the first linkage rod 702 is provided with a cylindrical clamping sleeve 704, the end of the second linkage rod 703 is fixedly connected with a spherical joint 705, and the spherical joint 705 is clamped in the clamping sleeve 704 in a matching way.

Based on the above, the first linkage rod 702 is hinged to the slewing bearing 701 on the exhaust pipe 1, and the second linkage rod 703 is hinged to the slewing bearing 701 on the intake pipe 3.

The tail gas treatment device can be well and stably arranged on the exhaust pipe 1, not only can reduce the damage to the automobile exhaust pipe 1 and has good vibration reduction protection effect on the device body 2, but also can improve the reliability, safety and service life of the automobile exhaust pipe 1 and the tail gas treatment device, and can achieve the effect of convenient installation, disassembly and maintenance.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.